Question: What is the event location of the event during the Pacific War located on a tributary of the Ruvu River?
Paraphrase: What is the occasion area of the occasion amid the Pacific War found on a tributary of the Ruvu River?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q184425 wdt:P276 ?answer . ?answer wdt:P974 wd:Q2177943}
Answer: Indian Ocean